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@@ -56,89 +56,6 @@ static void xfs_dir2_sf_toino4(xfs_da_args_t *args);
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static void xfs_dir2_sf_toino8(xfs_da_args_t *args);
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#endif /* XFS_BIG_INUMS */
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-/*
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- * Inode numbers in short-form directories can come in two versions,
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- * either 4 bytes or 8 bytes wide. These helpers deal with the
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- * two forms transparently by looking at the headers i8count field.
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- *
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- * For 64-bit inode number the most significant byte must be zero.
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- */
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-static xfs_ino_t
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-xfs_dir2_sf_get_ino(
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- struct xfs_dir2_sf_hdr *hdr,
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- xfs_dir2_inou_t *from)
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-{
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- if (hdr->i8count)
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- return get_unaligned_be64(&from->i8.i) & 0x00ffffffffffffffULL;
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- else
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- return get_unaligned_be32(&from->i4.i);
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-}
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-
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-static void
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-xfs_dir2_sf_put_ino(
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- struct xfs_dir2_sf_hdr *hdr,
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- xfs_dir2_inou_t *to,
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- xfs_ino_t ino)
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-{
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- ASSERT((ino & 0xff00000000000000ULL) == 0);
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-
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- if (hdr->i8count)
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- put_unaligned_be64(ino, &to->i8.i);
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- else
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- put_unaligned_be32(ino, &to->i4.i);
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-}
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-
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-xfs_ino_t
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-xfs_dir2_sf_get_parent_ino(
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- struct xfs_dir2_sf_hdr *hdr)
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-{
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- return xfs_dir2_sf_get_ino(hdr, &hdr->parent);
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-}
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-
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-void
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-xfs_dir2_sf_put_parent_ino(
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- struct xfs_dir2_sf_hdr *hdr,
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- xfs_ino_t ino)
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-{
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- xfs_dir2_sf_put_ino(hdr, &hdr->parent, ino);
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-}
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-
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-/*
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- * In short-form directory entries the inode numbers are stored at variable
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- * offset behind the entry name. If the entry stores a filetype value, then it
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- * sits between the name and the inode number. Hence the inode numbers may only
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- * be accessed through the helpers below.
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- */
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-static xfs_dir2_inou_t *
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-xfs_dir3_sfe_inop(
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- struct xfs_mount *mp,
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- struct xfs_dir2_sf_entry *sfep)
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-{
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- __uint8_t *ptr = &sfep->name[sfep->namelen];
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- if (xfs_sb_version_hasftype(&mp->m_sb))
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- ptr++;
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- return (xfs_dir2_inou_t *)ptr;
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-}
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-
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-xfs_ino_t
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-xfs_dir3_sfe_get_ino(
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- struct xfs_mount *mp,
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- struct xfs_dir2_sf_hdr *hdr,
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- struct xfs_dir2_sf_entry *sfep)
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-{
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- return xfs_dir2_sf_get_ino(hdr, xfs_dir3_sfe_inop(mp, sfep));
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-}
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-
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-void
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-xfs_dir3_sfe_put_ino(
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- struct xfs_mount *mp,
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- struct xfs_dir2_sf_hdr *hdr,
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- struct xfs_dir2_sf_entry *sfep,
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- xfs_ino_t ino)
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-{
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- xfs_dir2_sf_put_ino(hdr, xfs_dir3_sfe_inop(mp, sfep), ino);
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-}
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-
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/*
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* Given a block directory (dp/block), calculate its size as a shortform (sf)
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* directory and a header for the sf directory, if it will fit it the
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@@ -226,7 +143,7 @@ xfs_dir2_block_sfsize(
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*/
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sfhp->count = count;
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sfhp->i8count = i8count;
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- xfs_dir2_sf_put_parent_ino(sfhp, parent);
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+ dp->d_ops->sf_put_parent_ino(sfhp, parent);
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return size;
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}
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@@ -321,7 +238,7 @@ xfs_dir2_block_to_sf(
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else if (dep->namelen == 2 &&
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dep->name[0] == '.' && dep->name[1] == '.')
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ASSERT(be64_to_cpu(dep->inumber) ==
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- xfs_dir2_sf_get_parent_ino(sfp));
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+ dp->d_ops->sf_get_parent_ino(sfp));
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/*
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* Normal entry, copy it into shortform.
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*/
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@@ -331,9 +248,9 @@ xfs_dir2_block_to_sf(
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(xfs_dir2_data_aoff_t)
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((char *)dep - (char *)hdr));
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memcpy(sfep->name, dep->name, dep->namelen);
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- xfs_dir3_sfe_put_ino(mp, sfp, sfep,
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- be64_to_cpu(dep->inumber));
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- xfs_dir3_sfe_put_ftype(mp, sfp, sfep,
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+ dp->d_ops->sf_put_ino(sfp, sfep,
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+ be64_to_cpu(dep->inumber));
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+ dp->d_ops->sf_put_ftype(sfep,
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xfs_dir3_dirent_get_ftype(mp, dep));
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sfep = dp->d_ops->sf_nextentry(sfp, sfep);
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@@ -496,8 +413,8 @@ xfs_dir2_sf_addname_easy(
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sfep->namelen = args->namelen;
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xfs_dir2_sf_put_offset(sfep, offset);
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memcpy(sfep->name, args->name, sfep->namelen);
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- xfs_dir3_sfe_put_ino(dp->i_mount, sfp, sfep, args->inumber);
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- xfs_dir3_sfe_put_ftype(dp->i_mount, sfp, sfep, args->filetype);
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+ dp->d_ops->sf_put_ino(sfp, sfep, args->inumber);
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+ dp->d_ops->sf_put_ftype(sfep, args->filetype);
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/*
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* Update the header and inode.
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@@ -591,8 +508,8 @@ xfs_dir2_sf_addname_hard(
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sfep->namelen = args->namelen;
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xfs_dir2_sf_put_offset(sfep, offset);
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memcpy(sfep->name, args->name, sfep->namelen);
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- xfs_dir3_sfe_put_ino(mp, sfp, sfep, args->inumber);
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- xfs_dir3_sfe_put_ftype(mp, sfp, sfep, args->filetype);
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+ dp->d_ops->sf_put_ino(sfp, sfep, args->inumber);
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+ dp->d_ops->sf_put_ftype(sfep, args->filetype);
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sfp->count++;
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#if XFS_BIG_INUMS
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if (args->inumber > XFS_DIR2_MAX_SHORT_INUM && !objchange)
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@@ -713,20 +630,19 @@ xfs_dir2_sf_check(
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sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;
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offset = xfs_dir3_data_first_offset(mp);
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- ino = xfs_dir2_sf_get_parent_ino(sfp);
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+ ino = dp->d_ops->sf_get_parent_ino(sfp);
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i8count = ino > XFS_DIR2_MAX_SHORT_INUM;
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for (i = 0, sfep = xfs_dir2_sf_firstentry(sfp);
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i < sfp->count;
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i++, sfep = dp->d_ops->sf_nextentry(sfp, sfep)) {
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ASSERT(xfs_dir2_sf_get_offset(sfep) >= offset);
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- ino = xfs_dir3_sfe_get_ino(mp, sfp, sfep);
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+ ino = dp->d_ops->sf_get_ino(sfp, sfep);
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i8count += ino > XFS_DIR2_MAX_SHORT_INUM;
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offset =
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xfs_dir2_sf_get_offset(sfep) +
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xfs_dir3_data_entsize(mp, sfep->namelen);
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- ASSERT(xfs_dir3_sfe_get_ftype(mp, sfp, sfep) <
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- XFS_DIR3_FT_MAX);
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+ ASSERT(dp->d_ops->sf_get_ftype(sfep) < XFS_DIR3_FT_MAX);
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}
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ASSERT(i8count == sfp->i8count);
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ASSERT(XFS_BIG_INUMS || i8count == 0);
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@@ -782,7 +698,7 @@ xfs_dir2_sf_create(
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/*
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* Now can put in the inode number, since i8count is set.
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*/
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- xfs_dir2_sf_put_parent_ino(sfp, pino);
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+ dp->d_ops->sf_put_parent_ino(sfp, pino);
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sfp->count = 0;
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dp->i_d.di_size = size;
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xfs_dir2_sf_check(args);
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@@ -837,7 +753,7 @@ xfs_dir2_sf_lookup(
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*/
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if (args->namelen == 2 &&
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args->name[0] == '.' && args->name[1] == '.') {
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- args->inumber = xfs_dir2_sf_get_parent_ino(sfp);
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+ args->inumber = dp->d_ops->sf_get_parent_ino(sfp);
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args->cmpresult = XFS_CMP_EXACT;
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args->filetype = XFS_DIR3_FT_DIR;
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return XFS_ERROR(EEXIST);
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@@ -857,10 +773,8 @@ xfs_dir2_sf_lookup(
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sfep->namelen);
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if (cmp != XFS_CMP_DIFFERENT && cmp != args->cmpresult) {
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args->cmpresult = cmp;
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- args->inumber = xfs_dir3_sfe_get_ino(dp->i_mount,
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- sfp, sfep);
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- args->filetype = xfs_dir3_sfe_get_ftype(dp->i_mount,
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- sfp, sfep);
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+ args->inumber = dp->d_ops->sf_get_ino(sfp, sfep);
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+ args->filetype = dp->d_ops->sf_get_ftype(sfep);
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if (cmp == XFS_CMP_EXACT)
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return XFS_ERROR(EEXIST);
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ci_sfep = sfep;
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@@ -919,7 +833,7 @@ xfs_dir2_sf_removename(
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i++, sfep = dp->d_ops->sf_nextentry(sfp, sfep)) {
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if (xfs_da_compname(args, sfep->name, sfep->namelen) ==
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XFS_CMP_EXACT) {
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- ASSERT(xfs_dir3_sfe_get_ino(dp->i_mount, sfp, sfep) ==
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+ ASSERT(dp->d_ops->sf_get_ino(sfp, sfep) ==
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args->inumber);
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break;
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}
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@@ -1040,10 +954,10 @@ xfs_dir2_sf_replace(
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if (args->namelen == 2 &&
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args->name[0] == '.' && args->name[1] == '.') {
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#if XFS_BIG_INUMS || defined(DEBUG)
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- ino = xfs_dir2_sf_get_parent_ino(sfp);
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+ ino = dp->d_ops->sf_get_parent_ino(sfp);
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ASSERT(args->inumber != ino);
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#endif
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- xfs_dir2_sf_put_parent_ino(sfp, args->inumber);
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+ dp->d_ops->sf_put_parent_ino(sfp, args->inumber);
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}
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/*
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* Normal entry, look for the name.
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@@ -1054,14 +968,11 @@ xfs_dir2_sf_replace(
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if (xfs_da_compname(args, sfep->name, sfep->namelen) ==
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XFS_CMP_EXACT) {
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#if XFS_BIG_INUMS || defined(DEBUG)
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- ino = xfs_dir3_sfe_get_ino(dp->i_mount,
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- sfp, sfep);
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+ ino = dp->d_ops->sf_get_ino(sfp, sfep);
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ASSERT(args->inumber != ino);
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#endif
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- xfs_dir3_sfe_put_ino(dp->i_mount, sfp, sfep,
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- args->inumber);
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- xfs_dir3_sfe_put_ftype(dp->i_mount, sfp, sfep,
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- args->filetype);
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+ dp->d_ops->sf_put_ino(sfp, sfep, args->inumber);
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+ dp->d_ops->sf_put_ftype(sfep, args->filetype);
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break;
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}
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}
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@@ -1164,7 +1075,7 @@ xfs_dir2_sf_toino4(
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*/
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sfp->count = oldsfp->count;
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sfp->i8count = 0;
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- xfs_dir2_sf_put_parent_ino(sfp, xfs_dir2_sf_get_parent_ino(oldsfp));
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+ dp->d_ops->sf_put_parent_ino(sfp, dp->d_ops->sf_get_parent_ino(oldsfp));
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/*
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* Copy the entries field by field.
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*/
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@@ -1176,10 +1087,9 @@ xfs_dir2_sf_toino4(
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sfep->namelen = oldsfep->namelen;
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sfep->offset = oldsfep->offset;
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memcpy(sfep->name, oldsfep->name, sfep->namelen);
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- xfs_dir3_sfe_put_ino(mp, sfp, sfep,
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- xfs_dir3_sfe_get_ino(mp, oldsfp, oldsfep));
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- xfs_dir3_sfe_put_ftype(mp, sfp, sfep,
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- xfs_dir3_sfe_get_ftype(mp, oldsfp, oldsfep));
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+ dp->d_ops->sf_put_ino(sfp, sfep,
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+ dp->d_ops->sf_get_ino(oldsfp, oldsfep));
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+ dp->d_ops->sf_put_ftype(sfep, dp->d_ops->sf_get_ftype(oldsfep));
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}
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/*
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* Clean up the inode.
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@@ -1243,7 +1153,7 @@ xfs_dir2_sf_toino8(
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*/
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sfp->count = oldsfp->count;
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sfp->i8count = 1;
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- xfs_dir2_sf_put_parent_ino(sfp, xfs_dir2_sf_get_parent_ino(oldsfp));
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+ dp->d_ops->sf_put_parent_ino(sfp, dp->d_ops->sf_get_parent_ino(oldsfp));
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/*
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* Copy the entries field by field.
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*/
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@@ -1255,10 +1165,9 @@ xfs_dir2_sf_toino8(
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sfep->namelen = oldsfep->namelen;
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sfep->offset = oldsfep->offset;
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memcpy(sfep->name, oldsfep->name, sfep->namelen);
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- xfs_dir3_sfe_put_ino(mp, sfp, sfep,
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- xfs_dir3_sfe_get_ino(mp, oldsfp, oldsfep));
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- xfs_dir3_sfe_put_ftype(mp, sfp, sfep,
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- xfs_dir3_sfe_get_ftype(mp, oldsfp, oldsfep));
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+ dp->d_ops->sf_put_ino(sfp, sfep,
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+ dp->d_ops->sf_get_ino(oldsfp, oldsfep));
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+ dp->d_ops->sf_put_ftype(sfep, dp->d_ops->sf_get_ftype(oldsfep));
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}
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/*
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* Clean up the inode.
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